Timeline of the 2021 Atlantic hurricane season

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May 22

• 06:00 UTC (2:00 a.m. AST) at 34°12′N 62°06′W / 34.2°N 62.1°W / 34.2; -62.1 – Subtropical Storm Ana forms from an extratropical cyclone about 200 mi (325 km) northeast of Bermuda.^[9]

May 23

• 00:00 UTC (8:00 p.m. AST, May 23) at 34°42′N 61°48′W / 34.7°N 61.8°W / 34.7; -61.8 – Subtropical Storm Ana transitions to a tropical storm about 235 mi (280 km) northeast of Bermuda.^[9]
• 06:00 UTC (2:00 a.m. AST) at 35°24′N 61°06′W / 35.4°N 61.1°W / 35.4; -61.1 – Tropical Storm Ana reaches peak intensity with winds of 45 mph (75 km/h) and a minimum central pressure of 1004 mbar (29.65 inHg), about 295 mi (470 km) northeast of Bermuda.^[9]
• 18:00 UTC (2:00 p.m. AST) at 36°48′N 58°42′W / 36.8°N 58.7°W / 36.8; -58.7 – Tropical Storm Ana transitions to a post-tropical cyclone about 455 mi (730 km) northeast of Bermuda, and subsequently opens up into a trough.^[9]

June 1

• The 2021 Atlantic hurricane season officially begins.^[3]

June 14

• 06:00 UTC (2:00 a.m. EDT) at 33°12′N 75°54′W / 33.2°N 75.9°W / 33.2; -75.9 (Tropical Depression Two forms) – Tropical Depression Two forms from a stationary front about 125 mi (205 km) east-southeast of Cape Fear, North Carolina.^[10]
• 18:00 UTC (2:00 p.m. EDT) at 36°42′N 69°48′W / 36.7°N 69.8°W / 36.7; -69.8 – Tropical Depression Two strengthens into Tropical Storm Bill about 155 mi (250 km) east of Cape Hatteras, North Carolina.^[10]

June 15

• 12:00 UTC (8:00 a.m. AST) at 39°24′N 64°00′W / 39.4°N 64.0°W / 39.4; -64.0 – Tropical Storm Bill reaches its peak intensity with maximum sustained winds of 65 mph (100 km/h) and a minimum central pressure of 992 mbar (29.29 inHg), about 345 mi (555 km) east-southeast of Chatham, Massachusetts.^[10]

June 16

• 00:00 UTC (8:00 p.m. AST, June 15) at 42°30′N 57°54′W / 42.5°N 57.9°W / 42.5; -57.9 – Tropical Storm Bill transitions into a post-tropical cyclone about 370 mi (595 km) east-southeast of Halifax, Nova Scotia, and later degenerates into a trough of low pressure.^[10]

June 19

• 00:00 UTC (7:00 p.m. CDT, June 18) at 28°24′N 91°12′W / 28.4°N 91.2°W / 28.4; -91.2 – Tropical Storm Claudette forms from an area of low pressure about 90 mi (150 km) south of Morgan City, Louisiana.^{[nb 3][12]}
• 04:30 UTC (11:30 p.m. CDT, June 18) at 29°12′N 91°00′W / 29.2°N 91.0°W / 29.2; -91.0 – Tropical Storm Claudette makes landfall in Terrebonne Parish, Louisiana, about 30 mi (45 km) south-southwest of Houma.^[12]
• 06:00 UTC (1:00 a.m. CDT) at 29°30′N 90°48′W / 29.5°N 90.8°W / 29.5; -90.8 – Tropical Storm Claudette reaches its peak intensity with maximum sustained winds of 45 mph (75 km/h) and a minimum central pressure of 1003 mbar (29.62 inHg), about 10 mi (15 km) south-southwest of Houma.^[12]
• 18:00 UTC (1:00 p.m. CDT) at 31°30′N 88°48′W / 31.5°N 88.8°W / 31.5; -88.8 – Tropical Storm Claudette weakens into a tropical depression over eastern Alabama, about 175 mi (280 km) northeast of Houma.^[12]

June 21

• 06:00 UTC (2:00 a.m. EDT) at 35°00′N 79°06′W / 35.0°N 79.1°W / 35.0; -79.1 – Tropical Depression Claudette re-strengthens into a tropical storm just off the North Carolina coast.^[12]

June 22

• 06:00 UTC (2:00 a.m. AST) at 39°42′N 67°48′W / 39.7°N 67.8°W / 39.7; -67.8 – Tropical Storm Claudette transitions to an extratropical low, and subsequently dissipates southeast of the coast of Nova Scotia.^[12]

June 27

• 18:00 UTC (2:00 p.m. EDT) at 29°48′N 72°48′W / 29.8°N 72.8°W / 29.8; -72.8 – Tropical Depression Four forms from a non-tropical low about 460 mi (740 km) east-southeast of Charleston, South Carolina.^[13]

June 28

• 06:00 UTC (2:00 a.m. EDT) at 30°42′N 76°06′W / 30.7°N 76.1°W / 30.7; -76.1 – Tropical Depression Four strengthens into Tropical Storm Danny about 260 mi (415 km) southeast of Charleston.^[13]
• 18:00 UTC (2:00 p.m. EDT) at 32°00′N 79°30′W / 32.0°N 79.5°W / 32.0; -79.5 – Tropical Storm Danny reaches peak intensity with winds of 45 mph (75 km/h) and a minimum central pressure of 1,009 mbar (29.8 inHg), about 50 mi (85 km) south-southeast of Charleston.^[13]
• 23:20 UTC (7:20 p.m. EDT) at 32°18′N 80°30′W / 32.3°N 80.5°W / 32.3; -80.5 – Tropical Storm Danny makes landfall on Pritchards Island, north of Hilton Head, South Carolina, with sustained winds of 40 mph (65 km/h).^[13]

June 29

• 00:00 UTC (8:00 p.m. EDT, June 28) at 32°24′N 80°42′W / 32.4°N 80.7°W / 32.4; -80.7 – Tropical Storm Danny weakens into a tropical depression inland over eastern South Carolina, and later dissipates over eastern Georgia.^[13]

June 30

• 18:00 UTC (2:00 p.m. AST) at 9°24′N 42°48′W / 9.4°N 42.8°W / 9.4; -42.8 – Tropical Depression Five forms from a tropical wave about 1,150 mi (1,850 km) east-southeast of Barbados.^{[nb 4][15]}

July 1

• 00:00 UTC (8:00 p.m. AST, June 30) at 9°18′N 45°18′W / 9.3°N 45.3°W / 9.3; -45.3 – Tropical Depression Five strengthens into Tropical Storm Elsa about 980 mi (1,575 km) east-southeast of Barbados.^[15]

July 2

• 12:00 UTC (8:00 a.m. AST) at 13°00′N 59°48′W / 13.0°N 59.8°W / 13.0; -59.8 – Tropical Storm Elsa strengthens into a Category 1 hurricane about 20 mi (30 km) south of Barbados.^[15]
• 18:00 UTC (2:00 p.m. AST) at 13°48′N 62°24′W / 13.8°N 62.4°W / 13.8; -62.4 – Hurricane Elsa reaches peak intensity with winds of 85 mph (140 km/h) and a minimum central pressure of 991 mbar (29.3 inHg), about 95 mi (155 km) west-northwest of Saint Vincent.^[15]

July 3

• 12:00 UTC (8:00 a.m. AST) at 16°36′N 70°18′W / 16.6°N 70.3°W / 16.6; -70.3 – Hurricane Elsa weakens into a tropical storm about 115 mi (185 km) south of the southern coast of the Dominican Republic.^[15]

July 5

• 18:00 UTC (2:00 p.m. AST) at 22°12′N 81°36′W / 22.2°N 81.6°W / 22.2; -81.6 – Tropical Storm Elsa makes landfall on the south coast of Cuba in Cienaga de Zapata National Park with maximum winds of about 65 mph (100 km/h).^[15]

July 7

• 00:00 UTC (8:00 p.m. EDT, July 6) at 26°36′N 83°12′W / 26.6°N 83.2°W / 26.6; -83.2 – Tropical Storm Elsa re-strengthens into a Category 1 hurricane about 50 mi (80 km) west of Englewood, Florida.^[15]
• 06:00 UTC (2:00 a.m. EDT) at 27°48′N 83°30′W / 27.8°N 83.5°W / 27.8; -83.5 – Hurricane Elsa weakens again into a tropical storm about 35 mi (55 km) west of St. Petersburg, Florida.^[15]
• 14:30 UTC (10:30 a.m. EDT) at 29°48′N 83°30′W / 29.8°N 83.5°W / 29.8; -83.5 – Tropical Storm Elsa makes landfall in Taylor County, Florida with maximum winds of about 65 mph (100 km/h).^[15]

July 9

• 15:00 UTC (11:00 a.m. EDT) at 40°54′N 72°18′W / 40.9°N 72.3°W / 40.9; -72.3 – Tropical Storm Elsa makes landfall near East Hampton, New York with maximum winds of about 60 mph (95 km/h).^[15]
• 16:30 UTC (12:30 p.m. EDT) at 41°24′N 71°42′W / 41.4°N 71.7°W / 41.4; -71.7 – Tropical Storm Elsa makes landfall near Westerly, Rhode Island with maximum winds of about 60 mph (95 km/h).^[15]
• 18:00 UTC (2:00 p.m. EDT) at 42°00′N 71°00′W / 42.0°N 71.0°W / 42.0; -71.0 – Tropical Storm Elsa transitions into an extratropical cyclone over southeastern New England, and later dissipates.^[15]

August 11

• 00:00 UTC (8:00 p.m. AST, August 10) at 17°18′N 66°06′W / 17.3°N 66.1°W / 17.3; -66.1 – Tropical Storm Fred forms as the result of interaction between a series of tropical waves about 60 mi (95 km) south-southeast of Ponce, Puerto Rico.^{[nb 5][17]}
• 17:00 UTC (1:00 p.m. AST) at 18°24′N 70°06′W / 18.4°N 70.1°W / 18.4; -70.1 – Tropical Storm Fred makes landfall near San Cristóbal, Dominican Republic, with maximum sustained winds of 45 mph (75 km/h).^[17]

August 12

• 00:00 UTC (8:00 p.m. EDT, August 11) at 19°12′N 71°42′W / 19.2°N 71.7°W / 19.2; -71.7 – Tropical Storm Fred weakens to a tropical depression over central Hispaniola, 50 mi (85 km) southeast of Cap-Haïtien, Haiti.^[17]

August 13

• 00:00 UTC (8:00 p.m. EDT, August 12) at 21°12′N 75°30′W / 21.2°N 75.5°W / 21.2; -75.5 – Tropical Depression Fred re-strengthens to a tropical storm about 60 mi (95 km) east-northeast of Holguín, Cuba.^[17]
• 06:00 UTC (2:00 p.m. AST) at 15°00′N 46°42′W / 15.0°N 46.7°W / 15.0; -46.7 – Tropical Depression Seven forms from a tropical wave about 1,015 mi (1,630 km) east of the Leeward Islands.^{[nb 6][19]}
• 12:00 UTC (8:00 a.m. EDT) at 22°00′N 77°42′W / 22.0°N 77.7°W / 22.0; -77.7 – Tropical Storm Fred again weakens into a tropical depression as it simultaneously makes landfall on Cayo Romano, on the northern coast of Cuba.^[17]

August 14

• 00:00 UTC (8:00 a.m. EDT, August 13) at 22°30′N 80°12′W / 22.5°N 80.2°W / 22.5; -80.2 – Tropical Depression Fred degenerates into an open trough over central Cuba.^[17]
• 12:00 UTC (8:00 a.m. AST) at 16°06′N 57°12′W / 16.1°N 57.2°W / 16.1; -57.2 – Tropical Depression Seven strengthens into Tropical Storm Grace about 310 mi (500 km) east-southeast of the Leeward Islands.^[19]

August 15

• 00:00 UTC (8:00 p.m. AST, August 14) at 16°30′N 61°42′W / 16.5°N 61.7°W / 16.5; -61.7 – Tropical Storm Grace weakens into a tropical depression about 35 mi (55 km) north of Guadeloupe.^[19]
• 12:00 UTC (8:00 a.m. EDT) at 25°42′N 84°42′W / 25.7°N 84.7°W / 25.7; -84.7 – Remnants of Fred re-develop into a tropical storm about 185 mi (295 km) west of Naples, Florida.^[17]
• 18:00 UTC (2:00 p.m. AST) at 34°06′N 62°42′W / 34.1°N 62.7°W / 34.1; -62.7 – Tropical Depression Eight forms from a surface low pressure system about 175 mi (280 km) northeast of Bermuda.^[20]

August 16

• 12:00 UTC (8:00 a.m. AST) at 17°30′N 71°24′W / 17.5°N 71.4°W / 17.5; -71.4 – Tropical Depression Grace re-strengthens into a tropical storm about 45 mi (75 km) east of Beata Island, Dominican Republic.^[19]
• 16:30 UTC (12:30 p.m. AST) at 17°42′N 71°24′W / 17.7°N 71.4°W / 17.7; -71.4 – Tropical Storm Grace makes landfall just south of Oviedo, Dominican Republic, with sustained winds of 40 mph (65 km/h).^[19]
• 18:00 UTC (1:00 p.m. CDT) at 29°30′N 85°24′W / 29.5°N 85.4°W / 29.5; -85.4 – Tropical Storm Fred reaches peak intensity with maximum sustained winds of 65 mph (100 km/h) and a minimum central pressure of 991 mbar (29.26 inHg), about 30 mi (45 km) southwest of Apalachicola, Florida.^[17]
• 18:00 UTC (2:00 p.m. AST) at 31°06′N 62°54′W / 31.1°N 62.9°W / 31.1; -62.9 – Tropical Depression Eight strengthens into Tropical Storm Henri 125 mi (205 km) southeast of Bermuda.^[20]
• 19:00 UTC (2:00 p.m. CDT) at 29°42′N 85°24′W / 29.7°N 85.4°W / 29.7; -85.4 – Tropical Storm Fred makes landfall at peak intensity on the St. Joseph Peninsula, just northwest of Cape San Blas, in the Florida Panhandle.^[17]

August 17

• 12:00 UTC (8:00 a.m. EDT) at 32°48′N 85°12′W / 32.8°N 85.2°W / 32.8; -85.2 – Tropical Storm Fred weakens to a tropical depression over eastern Alabama.^[17]
• 14:00 UTC (10:00 a.m. EDT) at 18°12′N 76°36′W / 18.2°N 76.6°W / 18.2; -76.6 – Tropical Storm Grace makes landfall on the northeastern coast of Jamaica near Black Hill, with sustained winds of 60 mph (95 km/h).^[19]

August 18

• 00:00 UTC (8:00 p.m. EDT, August 17) at 35°54′N 83°36′W / 35.9°N 83.6°W / 35.9; -83.6 – Tropical Storm Fred becomes a post-tropical low over eastern Tennessee.^[17]
• 12:00 UTC (8:00 a.m. EDT) at 19°12′N 81°30′W / 19.2°N 81.5°W / 19.2; -81.5 – Tropical Storm Grace strengthens into a Category 1 hurricane about 15 mi (30 km) west-southwest of Grand Cayman.^[19]

August 19

• 00:00 UTC (8:00 p.m. EDT, August 18) at 41°12′N 78°12′W / 41.2°N 78.2°W / 41.2; -78.2 – Post-Tropical Cyclone Fred becomes an extratropical low over central Pennsylvania, and subsequently dissipates.^[17]
• 09:45 UTC (4:45 a.m. CDT) at 20°06′N 87°30′W / 20.1°N 87.5°W / 20.1; -87.5 – Hurricane Grace makes landfall about 10 mi (15 km) south of Tulum, Quintana Roo, with sustained winds of 85 mph (140 km/h).^[19]
• 12:00 UTC (7:00 a.m. CDT) at 20°12′N 88°06′W / 20.2°N 88.1°W / 20.2; -88.1 – Hurricane Grace weakens into a tropical storm inland over the Yucatán Peninsula.^[19]

August 20

• 12:00 UTC (7:00 a.m. CDT) at 20°36′N 93°48′W / 20.6°N 93.8°W / 20.6; -93.8 – Tropical Storm Grace re-strengthens into a Category 1 hurricane about 235 mi (380 km) east-southeast of Tuxpan, Veracruz.^[19]
• 18:00 UTC (1:00 p.m. CDT) at 20°36′N 94°42′W / 20.6°N 94.7°W / 20.6; -94.7 – Hurricane Grace intensifies to Category 2 strength about 180 mi (285 km) east-southeast of Tuxpan.^[19]

August 21

• 00:00 UTC (7:00 p.m. CDT, August 20) at 20°42′N 95°48′W / 20.7°N 95.8°W / 20.7; -95.8 – Hurricane Grace intensifies to Category 3 strength about 105 mi (165 km) east of Tuxpan, and simultaneously reaches peak intensity with winds of 120 mph (195 km/h) and a minimum central pressure of 967 mbar (28.6 inHg).^[19]
• 05:30 UTC (12:30 a.m. CDT) at 20°36′N 97°06′W / 20.6°N 97.1°W / 20.6; -97.1 – Hurricane Grace makes landfall near Tecolutla, Veracruz, at peak intensity.^[19]
• 12:00 UTC (7:00 a.m. CDT) at 20°12′N 98°00′W / 20.2°N 98.0°W / 20.2; -98.0 – Hurricane Grace weakens to a tropical storm about 70 mi (110 km) southwest of Tuxpan, and the surface circulation later dissipates.^{[nb 7][19]}
• 12:00 UTC (8:00 a.m. EDT) at 33°36′N 72°42′W / 33.6°N 72.7°W / 33.6; -72.7 – Tropical Storm Henri strengthens into a Category 1 hurricane about 195 mi (315 km) southeast of Cape Hatteras, North Carolina.^[20]

August 22

• 06:00 UTC (2:00 a.m. EDT) at 39°24′N 71°00′W / 39.4°N 71.0°W / 39.4; -71.0 – Hurricane Henri reaches peak intensity with maximum sustained winds of 75 mph (120 km/h) and a minimum central pressure of 986 mbar (29.12 inHg), about 130 mi (205 km) south-southeast of Block Island, Rhode Island.^[20]
• 12:00 UTC (8:00 a.m. EDT) at 40°42′N 71°18′W / 40.7°N 71.3°W / 40.7; -71.3 – Hurricane Henri weakens into a tropical storm, about 40 mi (60 km) south-southeast of Block Island.^[20]
• 15:20 UTC (11:20 a.m. EDT) at 41°12′N 71°36′W / 41.2°N 71.6°W / 41.2; -71.6 – Tropical Storm Henri makes landfall on Block Island with sustained winds of 65 mph (100 km/h).^[20]
• 16:15 UTC (12:15 p.m. EDT) at 41°18′N 71°48′W / 41.3°N 71.8°W / 41.3; -71.8 – Tropical Storm Henri makes landfall near Westerly, Rhode Island with sustained winds of 65 mph (100 km/h).^[20]

August 23

• 00:00 UTC (8:00 p.m. EDT, August 22) at 41°48′N 73°00′W / 41.8°N 73.0°W / 41.8; -73.0 – Tropical Storm Henri weakens into a tropical depression about 70 mi (115 km) northwest of Westerly.^[20]
• 18:00 UTC (2:00 p.m. EDT) at 41°30′N 73°48′W / 41.5°N 73.8°W / 41.5; -73.8 – Tropical Depression Henri degenerates into a remnant low about 105 mi (170 km) northwest of Westerly, and subsequently dissipates.^[20]

August 26

• 15:00 UTC (11:00 a.m. EDT) at 16°54′N 79°12′W / 16.9°N 79.2°W / 16.9; -79.2 – Tropical Depression Nine forms from a combination of multiple low-latitude weather systems, starting with a tropical wave, about 175 mi (280 km) southwest of Kingston, Jamaica.^[22]
• 18:00 UTC (6:00 p.m. EDT) at 17°24′N 79°30′W / 17.4°N 79.5°W / 17.4; -79.5 – Tropical Depression Nine strengthens into Tropical Storm Ida about 195 mi (315 km) west of Kingston.^[22]

August 27

• 18:00 UTC (2:00 p.m. EDT) at 21°30′N 82°36′W / 21.5°N 82.6°W / 21.5; -82.6 – Tropical Storm Ida strengthens into a Category 1 hurricane as it makes landfall on Isla de la Juventud, Cuba.^[22]
• 23:25 UTC (7:25 p.m. EDT) at 22°24′N 83°12′W / 22.4°N 83.2°W / 22.4; -83.2 – Hurricane Ida makes landfall near Playa Dayaniguas, in Pinar del Río Province, Cuba, with sustained winds of 80 mph (130 km/h).^[22]

August 28

• 06:00 UTC (2:00 a.m. AST) at 13°42′N 49°48′W / 13.7°N 49.8°W / 13.7; -49.8 – Tropical Depression Ten forms from a tropical wave about 805 mi (1,295 km) east of the Leeward Islands.^[23]
• 18:00 UTC (2:00 p.m. AST) at 32°12′N 51°00′W / 32.2°N 51.0°W / 32.2; -51.0 – Tropical Depression Eleven forms from a tropical wave about 805 mi (1,295 km) east of Bermuda.^[24]

August 29

• 00:00 UTC (7:00 p.m. CDT, August 28) at 26°42′N 87°36′W / 26.7°N 87.6°W / 26.7; -87.6 – Hurricane Ida intensifies to Category 2 strength about 290 mi (465 km) southeast of Houma, Louisiana.^[22]
• 06:00 UTC (1:00 a.m. CDT) at 27°36′N 88°42′W / 27.6°N 88.7°W / 27.6; -88.7 – Hurricane Ida intensifies to Category 4 strength about 185 mi (295 km) southeast of Houma.^[22]
• 06:00 UTC (2:00 a.m. AST) at 33°30′N 49°18′W / 33.5°N 49.3°W / 33.5; -49.3 – Tropical Depression Eleven strengthens into Tropical Storm Julian about 890 mi (1,435 km) east of Bermuda.^[24]
• 12:00 UTC (7:00 a.m. CDT) at 28°30′N 89°36′W / 28.5°N 89.6°W / 28.5; -89.6 – Hurricane Ida reaches peak intensity with maximum sustained winds of 150 mph (240 km/h) and a minimum central pressure of 929 mbar (27.43 inHg), about 50 mi (85 km) southwest of the mouth of the Mississippi River.^[22][25]
• 16:55 UTC (11:55 a.m. CDT) at 29°06′N 90°12′W / 29.1°N 90.2°W / 29.1; -90.2 – Hurricane Ida makes landfall at Port Fourchon, Louisiana, with sustained winds of 150 mph (240 km/h).^[22]

August 30

• 00:00 UTC (7:00 p.m. CDT, August 29) at 29°54′N 90°36′W / 29.9°N 90.6°W / 29.9; -90.6 – Hurricane Ida weakens to Category 2 strength inland, about 25 mi (35 km) west-southwest of New Orleans, Louisiana.^[22]
• 06:00 UTC (1:00 a.m. CDT) at 30°36′N 90°48′W / 30.6°N 90.8°W / 30.6; -90.8 – Hurricane Ida weakens to Category 1 strength about 20 mi (30 km) south-southwest of Greensburg, Louisiana.^[22][26]
• 06:00 UTC (6:00 a.m. GMT) at 38°54′N 40°00′W / 38.9°N 40.0°W / 38.9; -40.0 – Tropical Storm Julian reaches peak intensity with maximum sustained winds of 60 mph (95 km/h) and a minimum central pressure of 993 mbar (29.3 inHg).^[24]
• 06:00 UTC (2:00 a.m. AST) at 20°30′N 50°36′W / 20.5°N 50.6°W / 20.5; -50.6 – Tropical Depression Ten strengthens into Tropical Storm Kate.^[23]
• 12:00 UTC (7:00 a.m. CDT) at 31°30′N 90°54′W / 31.5°N 90.9°W / 31.5; -90.9 – Hurricane Ida weakens into a tropical storm about 65 mi (100 km) south-southwest of Jackson, Mississippi.^[22]
• 12:00 UTC (12:00 a.m. GMT) at 40°36′N 37°54′W / 40.6°N 37.9°W / 40.6; -37.9 – Tropical Storm Julian completes extratropical transition and merges with a frontal system about 865 mi (1,390 km) east-southeast of Cape Race, Newfoundland.^[24]
• 12:00 UTC (8:00 a.m. AST) at 21°18′N 50°48′W / 21.3°N 50.8°W / 21.3; -50.8 – Tropical Storm Kate reaches peak intensity with maximum sustained winds of 45 mph (75 km/h) and a minimum central pressure of 1,004 mbar (29.6 inHg), about 770 mi (1,240 km) east-northeast of the Leeward Islands.^[23]

August 31

• 00:00 UTC (7:00 p.m. CDT, August 30) at 33°00′N 90°00′W / 33.0°N 90.0°W / 33.0; -90.0 – Tropical Storm Ida weakens into a tropical depression about 45 mi (75 km) north of Jackson.^[22]
• 12:00 UTC (8:00 a.m. AST) at 23°12′N 50°54′W / 23.2°N 50.9°W / 23.2; -50.9 – Tropical Storm Kate weakens into a tropical depression.^[23]
• 18:00 UTC (5:00 p.m. CVT) at 11°30′N 20°36′W / 11.5°N 20.6°W / 11.5; -20.6 – Tropical Depression Twelve forms from a tropical wave about 320 mi (520 km) south-southeast of the Cabo Verde Islands.^[27]

September 1

• 00:00 UTC (11:00 p.m. CVT, August 31) at 11°54′N 22°30′W / 11.9°N 22.5°W / 11.9; -22.5 – Tropical Depression Twelve strengthens into Tropical Storm Larry about 230 mi (370 km) south-southeast of the Cabo Verde Islands.^[27]
• 12:00 UTC (8:00 a.m. EDT) at 37°42′N 81°30′W / 37.7°N 81.5°W / 37.7; -81.5 – Tropical Depression Ida transitions into an extratropical low over southern West Virginia, and subsequently degenerates to a trough.^[22]
• 12:00 UTC (8:00 a.m. AST) at 26°36′N 52°18′W / 26.6°N 52.3°W / 26.6; -52.3 – Tropical Depression Kate degenerates into an elongated trough about 960 mi (1,545 km) northeast of the northern Leeward Islands, and subsequently dissipates.^[23]

September 2

• 06:00 UTC (2:00 a.m. AST) at 13°00′N 31°36′W / 13.0°N 31.6°W / 13.0; -31.6 – Tropical Storm Larry strengthens into a Category 1 hurricane about 490 mi (785 km) west-southwest of the westernmost Cabo Verde Islands.^[27]

September 3

• 18:00 UTC (2:00 p.m. AST) at 14°42′N 41°24′W / 14.7°N 41.4°W / 14.7; -41.4 – Hurricane Larry intensifies to Category 2 strength about 1,215 mi (1,955 km) east of the Leeward Islands.^[27]

September 4

• 00:00 UTC (8:00 p.m. AST, September 3) at 16°18′N 44°36′W / 16.3°N 44.6°W / 16.3; -44.6 – Hurricane Larry intensifies to Category 3 strength about 1,130 mi (1,815 km) east of the Leeward Islands.^[27]

September 5

• 12:00 UTC (8:00 a.m. AST) at 19°12′N 49°24′W / 19.2°N 49.4°W / 19.2; -49.4 Hurricane Larry reaches peak intensity with winds of 125 mph (205 km/h) and a minimum central pressure of 953 mbar (28.1 inHg), about 835 mi (1,345 km) east of the Leeward Islands.^[27]

September 7

• 12:00 UTC (8:00 a.m. AST) at 24°00′N 55°24′W / 24.0°N 55.4°W / 24.0; -55.4 – Hurricane Larry weakens to Category 2 strength about 805 mi (1,295 km) southeast of Bermuda.^[27]

September 8

• 18:00 UTC (1:00 p.m. CDT) at 28°24′N 86°48′W / 28.4°N 86.8°W / 28.4; -86.8 – Tropical Storm Mindy forms from a tropical wave about 160 mi (260 km) southwest of Apalachicola, Florida.^[28]

September 9

• 01:15 UTC (8:15 p.m. CDT, September 8) at 29°42′N 85°06′W / 29.7°N 85.1°W / 29.7; -85.1 – Tropical Storm Mindy reaches peak intensity with maximum sustained winds of 60 mph (95 km/h) and a minimum central pressure of 1000 mbar (30 inHg), while simultaneously making landfall on St. Vincent Island, Florida, about 10 mi (20 km) west-southwest of Apalachicola.^[28]
• 06:00 UTC (2:00 a.m. EDT) at 30°06′N 60°48′W / 30.1°N 60.8°W / 30.1; -60.8 – Hurricane Larry weakens to Category 1 strength about 275 mi (445 km) southeast of Bermuda.^[27]
• 12:00 UTC (8:00 a.m. EDT) at 31°12′N 81°48′W / 31.2°N 81.8°W / 31.2; -81.8 – Tropical Storm Mindy weakens into a tropical depression over southeast Georgia.^[28]

September 10

• 00:00 UTC (8:00 p.m. EDT, September 9) at 32°06′N 76°48′W / 32.1°N 76.8°W / 32.1; -76.8 – Tropical Depression Mindy transitions into a post-tropical cyclone offshore over Atlantic Ocean, about 175 mi (280 km) southeast of Wilmington, North Carolina, and later dissipates.^[28]

September 11

• 03:30 UTC (11:30 p.m. AST, September 10) at 47°18′N 54°36′W / 47.3°N 54.6°W / 47.3; -54.6 – Hurricane Larry makes landfall near Great Bona Cove, along the south shore of Newfoundland's Burin Peninsula, with sustained winds of 80 mph (130 km/h).^[27]
• 12:00 UTC (8:00 a.m. AST) at 52°30′N 49°42′W / 52.5°N 49.7°W / 52.5; -49.7 – Hurricane Larry becomes an extratropical cyclone about 370 mi (595 km) north-northeast of St. John's, Newfoundland and Labrador, and is later absorbed by larger extratropical low.^[27]

September 12

• 12:00 UTC (7:00 a.m. CDT) at 21°00′N 95°12′W / 21.0°N 95.2°W / 21.0; -95.2 – Tropical Storm Nicholas forms from a tropical wave about 130 mi (215 km) northeast of Veracruz, Veracruz.^[29]

September 14

• 00:00 UTC (7:00 p.m. CDT, September 13) at 28°00′N 96°12′W / 28.0°N 96.2°W / 28.0; -96.2 – Tropical Storm Nicholas strengthens into a Category 1 hurricane about 30 mi (45 km) south-southwest of Matagorda, Texas, and simultaneously reaches peak intensity with maximum sustained winds of 65 mph (105 km/h) and a minimum central pressure of 988 mbar (29.2 inHg).^[29]
• 05:30 UTC (12:30 a.m. CDT) at 28°42′N 95°42′W / 28.7°N 95.7°W / 28.7; -95.7 – Hurricane Nicholas makes landfall on the eastern portion of the Matagorda Peninsula, less than 10 mi (20 km) west-southwest of Sargent Beach, Texas, with maximum sustained winds of 65 mph (105 km/h).^[29]
• 12:00 UTC (7:00 a.m. CDT) at 29°18′N 95°24′W / 29.3°N 95.4°W / 29.3; -95.4 – Hurricane Nicholas weakens into a tropical storm about 30 mi (45 km) south-southwest of Houston, Texas.^[29]

September 15

• 00:00 UTC (7:00 p.m. CDT, September 14) at 29°54′N 94°24′W / 29.9°N 94.4°W / 29.9; -94.4 – Tropical Storm Nicholas weakens into a tropical depression about 25 mi (35 km) west of Port Arthur, Texas.^[29]
• 18:00 UTC (1:00 p.m. CDT) at 30°12′N 92°24′W / 30.2°N 92.4°W / 30.2; -92.4 – Tropical Depression Nicholas degenerates into a remnant low about 25 mi (35 km) west of Lafayette, Louisiana, and subsequently dissipates.^[29]

September 17

• 18:00 UTC (2:00 p.m. EDT) at 35°54′N 72°42′W / 35.9°N 72.7°W / 35.9; -72.7 – Tropical Storm Odette forms from a surface trough associated with a mid- to upper-level low about 175 mi (280 km) east of the North Carolina–Virginia border.^[30]

September 18

• 06:00 UTC (2:00 a.m. AST) at 37°36′N 70°06′W / 37.6°N 70.1°W / 37.6; -70.1 – Tropical Storm Odette reaches peak intensity with maximum winds of 45 mph (75 km/h) and a minimum central pressure of 1,005 mbar (29.68 inHg).^[30]
• 12:00 UTC (8:00 a.m. AST) at 38°18′N 68°18′W / 38.3°N 68.3°W / 38.3; -68.3 – Tropical Storm Odette transitions into an extratropical cyclone about 290 mi (465 km) east-southeast of Atlantic City, New Jersey, and subsequently opens up into a trough.^{[nb 8][30]}

September 19

• 00:00 UTC (8:00 p.m. AST, September 18) at 16°24′N 52°42′W / 16.4°N 52.7°W / 16.4; -52.7 – Tropical Depression Sixteen forms about from a tropical wave about 605 mi (970 km) east of the northern Leeward Islands.^[31]
• 00:00 UTC (11:00 p.m. CVT, September 18) at 10°24′N 27°24′W / 10.4°N 27.4°W / 10.4; -27.4 – Tropical Depression Seventeen forms from a tropical wave about 375 mi (600 km) south-southwest of the southernmost Cabo Verde Islands.^[32]
• 06:00 UTC (2:00 a.m. AST) at 16°48′N 54°24′W / 16.8°N 54.4°W / 16.8; -54.4 – Tropical Depression Sixteen strengthens into Tropical Storm Peter about 490 mi (785 km) east of the Leeward Islands.^[31]
• 18:00 UTC (2:00 p.m. AST) at 17°54′N 57°00′W / 17.9°N 57.0°W / 17.9; -57.0 – Tropical Storm Peter attains its peak intensity with maximum sustained winds of 50 mph (85 km/h) and a minimum central pressure of 1,005 mbar (29.68 inHg), about 320 mi (520 km) east of the northern Leeward Islands.^[31]
• 18:00 UTC (5:00 p.m. CVT) at 13°48′N 29°24′W / 13.8°N 29.4°W / 13.8; -29.4 – Tropical Depression Seventeen strengthens into Tropical Storm Rose about 345 mi (555 km) west of the southernmost Cabo Verde Islands.^[32]

September 21

• 00:00 UTC (8:00 p.m. AST, September 20) at 18°48′N 35°18′W / 18.8°N 35.3°W / 18.8; -35.3 – Tropical Storm Rose attains its peak intensity with maximum sustained winds of 60 mph (95 km/h) and a minimum central pressure of 1,004 mbar (29.65 inHg), about 680 mi (1,095 km) west-northwest of the Cabo Verde Islands.^[32]
• 18:00 UTC (2:00 p.m. AST) at 20°12′N 64°36′W / 20.2°N 64.6°W / 20.2; -64.6 – Tropical Storm Peter weakens to a tropical depression, about 130 mi (215 km) north of Saint Thomas, United States Virgin Islands, and later degenerates into a surface trough.^{[nb 9][31]}

September 22

• 06:00 UTC (2:00 a.m. AST) at 23°06′N 38°06′W / 23.1°N 38.1°W / 23.1; -38.1 – Tropical Storm Rose weakens into a tropical depression 940 mi (1,510 km) west-northwest of the Cabo Verde Islands.^[32]
• 12:00 UTC (8:00 a.m. AST) at 23°24′N 38°48′W / 23.4°N 38.8°W / 23.4; -38.8 – Tropical Depression Rose degenerates into a remnant low about 980 mi (1,575 km) west-northwest of the Cabo Verde Islands, and subsequently opens up into a trough of low pressure.^[32]
• 18:00 UTC (2:00 p.m. AST) at 10°00′N 33°06′W / 10.0°N 33.1°W / 10.0; -33.1 – Tropical Depression Eighteen forms from a tropical wave about 660 mi (1,065 km) west-southwest of the southernmost Cabo Verde Islands.^[33]

September 23

• 06:00 UTC (2:00 a.m. AST) at 10°24′N 36°00′W / 10.4°N 36.0°W / 10.4; -36.0 – Tropical Depression Eighteen strengthens into Tropical Storm Sam.^[33]

September 24

• 06:00 UTC (2:00 a.m. AST) at 11°24′N 41°36′W / 11.4°N 41.6°W / 11.4; -41.6 – Tropical Storm Sam strengthens into a Category 1 hurricane about 1,265 mi (2,035 km) east of the Windward Islands.^[33]
• 06:00 UTC (2:00 a.m. AST) at 31°24′N 62°00′W / 31.4°N 62.0°W / 31.4; -62.0 – A subtropical depression forms from a non-tropical area of disturbed weather about 175 mi (280 km) east-southeast of Bermuda.^[34]
• 12:00 UTC (8:00 a.m. AST) at 32°48′N 62°54′W / 32.8°N 62.9°W / 32.8; -62.9 – The subtropical depression strengthens into Subtropical Storm Teresa about 110 mi (175 km) east of Bermuda.^[34]
• 18:00 UTC (2:00 p.m. AST) at 33°36′N 64°06′W / 33.6°N 64.1°W / 33.6; -64.1 – Subtropical Storm Teresa reaches its peak intensity with maximum sustained winds of 45 mph (75 km/h) and a minimum central pressure of 1008 mbar (29.77 inHg) about 90 mi (145 km) north of Bermuda.^[34]

September 25

• 00:00 UTC (8:00 p.m. AST, September 24) at 12°18′N 45°24′W / 12.3°N 45.4°W / 12.3; -45.4 – Hurricane Sam intensifies to Category 2 strength.^[33]
• 12:00 UTC (8:00 a.m. AST) at 12°48′N 47°12′W / 12.8°N 47.2°W / 12.8; -47.2 – Hurricane Sam intensifies to Category 3 strength.^[33]
• 12:00 UTC (8:00 a.m. AST) at 34°18′N 65°12′W / 34.3°N 65.2°W / 34.3; -65.2 – Subtropical Storm Teresa weakens into a subtropical depression about 135 mi (220 km) north of Bermuda.^[34]
• 18:00 UTC (2:00 p.m. AST) at 13°06′N 48°06′W / 13.1°N 48.1°W / 13.1; -48.1 – Hurricane Sam intensifies to Category 4 strength.^[33]
• 18:00 UTC (2:00 p.m. AST) at 34°18′N 64°30′W / 34.3°N 64.5°W / 34.3; -64.5 – Subtropical Depression Teresa degenerates into a remnant low about 135 mi (215 km) north of Bermuda, and subsequently dissipates.^[34]

September 26

• 18:00 UTC (2:00 p.m. AST) at 14°06′N 50°18′W / 14.1°N 50.3°W / 14.1; -50.3 – Hurricane Sam reaches its peak intensity with maximum sustained winds of 155 mph (250 km/h) and a minimum central pressure of 927 mbar (27.37 inHg), about 690 mi (1,110 km) east of the Lesser Antilles.^[33]

September 27

• 12:00 UTC (8:00 a.m. AST) at 15°24′N 51°42′W / 15.4°N 51.7°W / 15.4; -51.7 – Hurricane Sam weakens to Category 3 strength.^[33]

September 28

• 06:00 UTC (2:00 a.m. AST) at 16°54′N 53°30′W / 16.9°N 53.5°W / 16.9; -53.5 – Hurricane Sam re-intensifies to Category 4 strength.^[33]

September 29

• 12:00 UTC (11:00 a.m. CVT) at 7°48′N 24°06′W / 7.8°N 24.1°W / 7.8; -24.1 – Tropical Depression Twenty forms from a tropical wave about 535 mi (860 km) south of the Cabo Verde Islands.^[35]
• 18:00 UTC (5:00 p.m. CVT) at 8°06′N 25°06′W / 8.1°N 25.1°W / 8.1; -25.1 – Tropical Depression Twenty strengthens into Tropical Storm Victor south of the Cabo Verde Islands.^[35]

October 1

• 06:00 UTC (2:00 a.m. AST) at 25°48′N 61°36′W / 25.8°N 61.6°W / 25.8; -61.6 – Hurricane Sam reaches a secondary peak intensity, with winds of 150 mph (240 km/h) and a minimum central pressure of 936 mbar (27.6 inHg) about 490 mi (785 km) south-southeast of Bermuda.^[33]
• 12:00 UTC (8:00 a.m. AST) at 11°24′N 33°00′W / 11.4°N 33.0°W / 11.4; -33.0 – Tropical Storm Victor reaches peak intensity with maximum sustained winds of 65 mph (100 km/h) and a minimum central pressure of 997 mbar (29.4 inHg), about 690 mi (1,110 km) west-southwest of the Cabo Verde Islands.^[35]

October 2

• 18:00 UTC (2:00 p.m. AST) at 34°42′N 59°06′W / 34.7°N 59.1°W / 34.7; -59.1 – Hurricane Sam weakens to Category 3 strength about 360 mi (585 km) east-northeast of Bermuda.^[33]
• 18:00 UTC (2:00 p.m. AST) at 13°30′N 37°42′W / 13.5°N 37.7°W / 13.5; -37.7 – Tropical Storm Victor weakens to a tropical depression about 950 mi (1,530 km) west of the Cabo Verde Islands.^[35]

October 3

• 06:00 UTC (2:00 a.m. AST) at 36°42′N 56°36′W / 36.7°N 56.6°W / 36.7; -56.6 – Hurricane Sam weakens to Category 2 strength about 550 mi (890 km) northeast of Bermuda.^[33]

October 4

• 12:00 UTC (8:00 a.m. AST) at 17°48′N 43°06′W / 17.8°N 43.1°W / 17.8; -43.1 – Tropical Depression Victor degenerates into a trough more than 1,380 mi (2,220 km) west of the Cabo Verde Islands, and later dissipates.^[35]
• 18:00 UTC (6:00 p.m. GMT) at 43°48′N 43°36′W / 43.8°N 43.6°W / 43.8; -43.6 – Hurricane Sam weakens to Category 1 strength about 500 mi (805 km) southeast of Cape Race, Newfoundland.^[33]

October 5

• 06:00 UTC (6:00 a.m. GMT) at 49°24′N 39°42′W / 49.4°N 39.7°W / 49.4; -39.7 – Hurricane Sam transitions to a post-tropical cyclone about 650 mi (1,045 km) east of Cape Race, and subsequently merges with another extratropical low.^[33]

October 30

• 12:00 UTC (8:00 a.m. AST) at 38°30′N 49°36′W / 38.5°N 49.6°W / 38.5; -49.6 – Subtropical Storm Wanda forms from a nor'easter about 595 mi (955 km) south-southeast of Cape Race, Newfoundland.^[36]

October 31

• 12:00 UTC (12:00 p.m. GMT) at 36°30′N 43°24′W / 36.5°N 43.4°W / 36.5; -43.4 – Subtropical Storm Wanda attains its peak intensity with maximum sustained winds of 60 mph (95 km/h) and a minimum central pressure of 983 mbar (29.03 inHg), about 905 mi (1,455 km) west of the Azores.^[36]

November 1

• 12:00 UTC (12:00 p.m. GMT) at 34°06′N 43°24′W / 34.1°N 43.4°W / 34.1; -43.4 – Subtropical Storm Wanda transitions to a tropical storm about 950 mi (1,530 km) west-southwest of the Azores.^[36]

November 7

• 12:00 UTC (12:00 p.m. GMT) at 39°12′N 34°54′W / 39.2°N 34.9°W / 39.2; -34.9 – Tropical Storm Wanda transitions to a post-tropical cyclone about 430 mi (695 km) west-northwest of the Azores, and later dissipates.^[36]

November 30

• The 2021 Atlantic hurricane season officially ends.^[3]

• Lists of Atlantic hurricanes
• Timeline of the 2021 Pacific hurricane season